Albany County, New York

Albany County is a county in the state of New York, United States. Its northern border is formed by the Mohawk River, at its confluence with the Hudson River, which is to the east. As of the 2020 United States Census, the population was 314,848. The county seat and largest city is Albany, which is also the state capital of New York. As originally established by the English government in the colonial era, Albany County had an indefinite amount of land, but has had an area of 530 square miles since March 3, 1888. The county is named for the Duke of York and of Albany, who became James II of England.

Albany County constitutes the central core of the Capital District of New York State, which comprises the Albany-Schenectady-Troy, NY Metropolitan Statistical Area.